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EMNLP
2011
14 years 7 months ago
Heuristic Search for Non-Bottom-Up Tree Structure Prediction
State of the art Tree Structures Prediction techniques rely on bottom-up decoding. These approaches allow the use of context-free features and bottom-up features. We discuss the l...
Andrea Gesmundo, James Henderson
CVPR
2009
IEEE
17 years 2 months ago
Extraction of Tubular Structures over an Orientation Domain
This paper presents a new method to extract a network of vessels centerlines from a medical image. The network is composed of local geodesics over a four-dimensional space that in...
Gabriel Peyré, Mickaël Péchaud,...
ICDE
2007
IEEE
124views Database» more  ICDE 2007»
16 years 9 months ago
The Haar+ Tree: A Refined Synopsis Data Structure
We introduce the Haar+ tree: a refined, wavelet-inspired data structure for synopsis construction. The advantages of this structure are twofold: First, it achieves higher synopsis...
Panagiotis Karras, Nikos Mamoulis
RECOMB
2004
Springer
16 years 8 months ago
Structured motifs search
In this paper we describe an algorithm for the localization of structured models, i.e. sequences of (simple) motifs and distance constraints. It basically combines standard patter...
Alberto Policriti, Nicola Vitacolonna, Michele Mor...
VLDB
2007
ACM
152views Database» more  VLDB 2007»
16 years 7 months ago
Structured Materialized Views for XML Queries
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
Andrei Arion, Ioana Manolescu, Véronique Be...